After traveling the world together, alarming evidence has surfaced that the two avid party-goers may be influencing each other to celebrate a little TOO hard.

We’re all in favor of a good party, but when it starts to negatively affect your health? It might be time to slow down!!

The photo (above) was taken right after Cara closed out Karl Lagerfeld’s Chanel runway during Paris Fashion Week, and as you can tell, the two were DEFINITELY living it up — to the point where Miz Delevingne was sucking Michelle’s finger for the photog!

While that’s all fun and games, an Instagram photo Cara posted a few days later was not.

In the picture, Cara and Michelle were both hooked up to matching IV drips!!

Cara later cleared up the concern of her followers by tweeting that it was for a cold, writing:

Don't worry! It's just a vitamin drip to help with a cold. Thanks for the messages x